-Marc- > Oh, NOW you've opened a can of worms. Ronn -- a short lecture on > chemical nomenclature if you don't mind. What *do* those numbers > before a chemical compound's name mean?
I'm not Ronn, nor to I play him on TV, but I did take organic chemistry a couple of decades ago at BYU. Organic molecules are named by the main "backbone" or "ring" molecule -- in this case, xanthine -- with prefixes indicating the atoms or molecules/groups attached. Each atom or molecule/group named also has a number preceding it that identifies its position on the backbone molecule. If you have two of the same kind of group, you precede the identifier with "di" and give both numbers separated by a comma. Three of the same kind merits you a "tri" and all three numbers separated by commas, and so forth. Test Monday. Stephen ////////////////////////////////////////////////////////////////////////////// /// ZION LIST CHARTER: Please read it at /// /// http://www.zionsbest.com/charter.html /// ///////////////////////////////////////////////////////////////////////////// ==^================================================================ This email was sent to: archive@jab.org EASY UNSUBSCRIBE click here: http://topica.com/u/?aaP9AU.bWix1n.YXJjaGl2 Or send an email to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
